Analysis

  • max time kernel
    150s
  • max time network
    30s
  • platform
    windows7_x64
  • resource
    win7-20230621-en
  • resource tags

    arch:x64arch:x86image:win7-20230621-enlocale:en-usos:windows7-x64system
  • submitted
    21-06-2023 11:25

General

  • Target

    carLambo/Kernel32.class

  • Size

    240B

  • MD5

    e3f75446ab3124fc215c8361fcc09124

  • SHA1

    4844e5e11ee17d5d9019c1dbf7458488f64375bd

  • SHA256

    50c9b0ca5e829c97fa34c2470197a123ec5d993e9b88c5b0e2158e3488d41885

  • SHA512

    88d3c1caefa5742174562e7b271e101026993a703949cbc94f9a26695b3d20a7f626915b54ff8ed6fe6e1aff0725acc614864260544e427e838e594d8295bc8b

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies registry class 9 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\carLambo\Kernel32.class
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2028
    • C:\Windows\system32\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\carLambo\Kernel32.class
      2⤵
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:1388
      • C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
        "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\carLambo\Kernel32.class"
        3⤵
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        PID:2016

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

    Filesize

    3KB

    MD5

    303933bebd5db1d2a8969ee41e13970d

    SHA1

    a21125036ad871f5552f233c7669befc279a0b9f

    SHA256

    0791a4893187fb2e0872d3f6b9b4bff962bb6f7ce3a44ba6cd480ad1849b5c64

    SHA512

    04b0537c17a9d4a33f3a3a99e031e32724104127dc4faa87f98abbbfc1719f74975fb79da2b810e35609635f704d3252009a24480669e4875a610ff6fde0d862